Crispatotrochus Tenison Woods 1879

• Main Authors: Kitahara, Marcelo V., Cairns, Stephen D.
• Format: Text
• Language: unknown
• Published: Zenodo 2008
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Anthozoa; Scleractinia; Caryophylliidae; Crispatotrochus; Antarctic; Fossa; Cornu; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.5231177; https://zenodo.org/record/5231177

Key to the Recent species of Crispatotrochus 1 Septa arranged hexamerally.........................................................................................................................2 - Septa arranged decamerally.......................................................................................................................11 2 Pedicel unattached; corallum cornute ................................................................... Crispatotrochus curvatus - Pedicel attached; ceratoid to turbinate.........................................................................................................3 3 S1 larger than S2..........................................................................................................................................4 - S1 equal in width to S2................................................................................................................................5 4 Theca transverse ridged; S1 and S2 sinuous .......................................................... Crispatotrochus rugosus - Theca not transversed ridge; S1 and S2 not sinuous ................................. Crispatotrochus septumdentatus 5 S1–2 with sinuous inner edges....................................................................................................................6 - S1–2 with straight inner edges.....................................................................................................................9 6 S3 with sinuous inner edges........................................................................................................................7 - S3 with straight inner edges..................................................................................... Crispatotrochus cornu 7 Columella fused, composed of closely united, poorly defined, twisted ribbons Crispatotrochus irregularis - Columella with well defined columellar elements......................................................................................8 8 Septa arranged in four complete cycles; fossa nonextant ............................. Crispatotrochus galapagensis - Septa arranged in five (complete) or six (incomplete) cycles; fossa moderately deep.................................. ............................................................................................................................ Crispatotrochus rubescens 9 Costae absent .......................................................................................................... Crispatotrochus niinoi - Costae present (ridged or flat).................................................................................................................. 10 10 Columella composed of 4–7 broad, twisted laths; S5 present; costae slightly ridged near calicular edge......................................................................................................................................... Crispatotrochus foxi - Columella composed of 28–32 narrow, twisted laths; S5 absent; costae flat ...... Crispatotrochus inortatus 11 S1 exsert.....................................................................................................................................................12 - S1 nonexsert .......................................................................................................... Crispatotrochus squiresi 12 Last septal cycle with serrate to lacerate inner edges................................................................................13 - Last septal cycle with entire inner edges..................................................................................................14 13 GCD = 6................................................................................................................. Crispatotrochus woodsi - GCD> 6........................................................................................... C . sp. cf. C. cornu sensu Cairns, 1979 14 Adult stage with more than 3 cycles of septa (>40 septa)................................. Crispatotrochus gregarius - Adult stage with three cycles of septa (= 40 septa)......................................... C . sp. A sensu Cairns, 1982 : Published as part of Kitahara, Marcelo V. & Cairns, Stephen D., 2008, New records of the genus Crispatotrochus (Scleractinia; Caryophylliidae) from New Caledonia, with description of a new species, pp. 59-68 in Zootaxa 1940 (1) on pages 62-63, DOI: 10.11646/zootaxa.1940.1.6, http://zenodo.org/record/5230999 : {"references": ["Cairns, S. D. (1979) The deep - water Scleractinia of the Caribbean and Adjacent Waters. Studies on the Fauna of Curacao and other Caribbean Islands, 57, 341 pp.", "Cairns, S. D. (1982) Antarctic and Subantarctic Scleractinia. Antarctic Research Series, 34, 74 pp."]}